body {
    margin: 0;
}
ul {
    padding: 0;
    margin: 0;
    list-style: none;
}

.wrapper {
    font-size: 20px;
}

.message-top {
    width: 780px;
    margin: 0 auto;
    background-color: #ccc;
    padding: 10px 15px;
}
.message-top-text {
    display:block;
    width: 780px;
    height: 120px;
    font-size: 20px;
    resize: none;
}
.message-top-btn {
    float: right;
    padding: 10px 30px;
    margin-top: 10px;
}

.message-top::after {
    content: "";
    display: block;
    clear: both;
}

.message-bottom {
    width: 780px;
    padding: 10px 15px;
    margin: 0 auto;
    background-color: #f0f0f0;
}

.message-bottom ul {
    width: 780px;
}

.message-bottom ul li {
    width: 780px;
    height: 80px;
    background-color: #fff;
    margin-bottom: 10px;
    position: relative;
}
.message-bottom  p {
    color: #333;
}
.message-bottom button {
    height: 30px;
    width: 60px;
    position: absolute;
    right: 10px;
    top: 10px;
    cursor: pointer;
    border: 1px solid #ccc;
}
.message-bottom  button:hover {
    border: 1px solid #f50;
}